The cheapest times to fly from SFO to IAH are
- January 1st to February 25th (except the week of February 12th)
- April 16th to May 6th
- August 6th to November 18th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SFO to IAH is early September. Prices can be as high as $894 for Sunday flights during mid May, or as low as $284 for Tuesday flights around early September.
When to Fly to Houston
Flying from San Francisco, CA (SFO) to Houston, TX (IAH) will usually cost between $313 to $480 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $314. Due to high demand the most expensive time to fly is mid May, with an average price of $481. Planning your trip to low-cost times can easily save you $167 on economy flights and even more on first-class flights. Generally, any price below $355 can be considered a good price for a round-trip SFO to IAH flight.
See below for a graph of average weekly prices for the SFO to IAH route. All prices are for round-trip tickets in USD.
Compared to other flights, the SFO to IAH flight is much cheaper than the average and costs much less than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.14, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $61 (15%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $341. Return trip prices are from the IAH to SFO flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from SFO to IAH can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 3 hour 55 minutes may be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SFO to IAH while comparing.
- 140 miles (225 km) away from IAH
- Usually 29.86% less expensive than IAH
- Nonstop flights available
Flight Questions Answered
Still have questions about flying from SFO to IAH? We’ve got answers.
Which airlines fly this route?
You can find 6 major airlines flying this route most often: Alaska, American, Delta, Frontier, Qantas, United, and potentially more during busy seasons.
How far away is it from George Bush Intercontinental/Houston Airport to San Francisco International Airport?
The distance between the two airports is roughly 1632 miles or 2626 kilometers.
How long does it take to fly from SFO to IAH?
The real-world flight time for a nonstop SFO to IAH flight is about 3 hour 55 minutes.
How many flights go between San Francisco, CA and Houston, TX?
It depends on the day of the week and the date, but a typical day might have around 49 available flights from SFO to IAH.
Airport Location Info
|Origination airport name||San Francisco International Airport|
|City||San Francisco, CA|
|Country||the United States|
|Destination airport name||George Bush Intercontinental/Houston Airport|
|Country||the United States|
Late and Early Flight Data
Flights from SFO to IAH tend to depart as late as the average flight. According to our recently updated data, 28% of flights departed 5 or more minutes late, and 14% of flights left 5 or more minutes early. On average you can expect to leave IAH heading for SFO about 7 minutes late. This does significantly impact arrival time, as the average landing time in Houston, TX is about 4 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- United: 7 minutes late
- Some airlines not reporting
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.